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Heterocyclic substituted aryl sulphonamido compounds and methods of obtaining the same

US 2,358,366 A · Inventors: TULLAR BENJAMIN F

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  • Granted September 19, 1944. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 19, 1961.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 14, 1941
GrantedSeptember 19, 1944
Term endedSeptember 19, 1961
Application number—
Classification (CPC)C07D213/76
Length3 pages

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Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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